Valve assembly



FIG. 1 is a top perspective view of a valve assembly showing my new design;

FIG. 2 is a bottom perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a rear plan view thereof;

FIG. 7 is a side elevation view thereof;

FIG. 8 is a side elevation view of the opposite side of FIG. 7; and,

FIG. 9 is my valve assembly without its surrounding environment.

The broken lines shown in the drawings illustrate environment of the valve assembly that form no part of the claimed design. 

CLAIM The ornamental design for a valve assembly, as shown and described. 